| 91801 | OBRIEN | Chaves County, NM | Oil & Gas Property | Aug 2009 |
| 91802 | OBRIEN | Ness County, KS | Oil Property | Feb 2026 |
| 91803 | OBRIEN | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 91804 | OBRIEN | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 91805 | OBRIEN | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 91806 | OBRIEN | Haskell County, TX | Oil & Gas Property | Mar 2026 |
| 91807 | OBRIEN | Susquehanna County, PA | Gas Property | Mar 2026 |
| 91808 | OBRIEN | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 91809 | OBRIEN | Refugio County, TX | Oil & Gas Property | Oct 2014 |
| 91810 | OBRIEN | Chaves County, NM | Oil & Gas Property | Jul 2024 |
| 91811 | OBRIEN | Jefferson County, TX | Oil & Gas Property | May 2025 |
| 91812 | OBRIEN | Gray County, TX | Oil & Gas Property | Mar 2026 |
| 91813 | OBRIEN | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 91814 | OBRIEN | Montgomery County, KS | Gas Property | Feb 2026 |
| 91815 | OBRIEN | Labette County, KS | Gas Property | Feb 2026 |
| 91816 | OBRIEN | Galveston County, TX | Oil & Gas Property | Feb 2026 |
| 91817 | OBRIEN | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 91818 | OBRIEN | Bexar County, TX | Oil & Gas Property | Dec 2025 |
| 91819 | OBRIEN | Trego County, KS | Oil Property | Jun 2019 |
| 91820 | OBRIEN | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 91821 | OBRIEN | Bee County, TX | Oil & Gas Property | Feb 2026 |
| 91822 | OBRIEN | Cheyenne County, KS | Gas Property | Feb 2026 |
| 91823 | OBRIEN | Refugio County, TX | Oil & Gas Property | Mar 2026 |
| 91824 | OBRIEN -E | Liberty County, TX | Oil & Gas Property | Jan 2026 |
| 91825 | OBRIEN BROTHERS (11X-18 | Richland County, MT | Oil & Gas Property | Apr 2026 |
| 91826 | OBRIEN ERIN ETAL UNIT 1 | Galveston County, TX | Oil & Gas Property | Dec 2016 |
| 91827 | OBRIEN J | Refugio County, TX | Oil & Gas Property | Mar 2026 |
| 91828 | OBRIEN JAMES | Meigs County, OH | Oil & Gas Property | Dec 2023 |
| 91829 | OBRIEN SPRINGS | Carbon County, WY | Oil & Gas Property | Nov 2019 |
| 91830 | OBRIEN STRAWN UNIT | Haskell County, TX | Oil & Gas Property | Mar 2026 |
| 91831 | OBRIEN, G.W | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 91832 | OBRIEN, MICHAEL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 91833 | OBRIEN, RACHEL R | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 91834 | OBRIEN-BRUNSON 43A | Midland County, TX | Oil & Gas Property | Mar 2026 |
| 91835 | OBRIGEWITCH | Stark County, ND | Oil & Gas Property | Apr 2026 |
| 91836 | OBRIGEWITCH | Stark County, ND | Oil & Gas Property | Apr 2026 |
| 91837 | OBRIGEWITCH | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 91838 | OBRIYENITCH 1-14H | Billings County, ND | Oil & Gas Property | Apr 2026 |
| 91839 | OBRYAN | Daviess County, KY | Oil Property | Dec 2022 |
| 91840 | OBRYAN | Neosho County, KS | Oil Property | Dec 2004 |
| 91841 | OBRYAN, R L | Daviess County, KY | Oil Property | Mar 2022 |
| 91842 | OBSIDIAN | Payne County, OK | Oil & Gas Property | Mar 2026 |
| 91843 | OBSIDIAN | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 91844 | OBSIDIAN 147-93-16B-21H-TF | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 91845 | OBYRNE | Upshur County, TX | Oil & Gas Property | Apr 2017 |
| 91846 | OBYRNE | Hitchcock County, NE | Oil Property | Dec 2025 |
| 91847 | OBYRNE HEIRS | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 91848 | OCAMPO, EDUARDO MARTIN 1 | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 91849 | OCATILLA STATE 2-40 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 91850 | OCCIDENTAL | Big Horn County, WY | Oil & Gas Property | Dec 2013 |
| 91851 | OCCIDENTAL | San Joaquin County, CA | Gas Property | Jul 1995 |
| 91852 | OCEANA | Stephens County, OK | Oil & Gas Property | Mar 2026 |
| 91853 | OCEANIC | Kern County, CA | Oil & Gas Property | Mar 2026 |
| 91854 | OCEANSIDE | Fresno County, CA | Oil Property | Jan 1997 |
| 91855 | OCEL | Carroll County, OH | Oil & Gas Property | Mar 2026 |
| 91856 | OCELOT | Atascosa County, TX | Oil & Gas Property | Feb 2026 |
| 91857 | OCELOT ALLOCATION | Atascosa County, TX | Oil & Gas Property | Feb 2026 |
| 91858 | OCHILTREE | Gray County, TX | Oil & Gas Property | Aug 2020 |
| 91859 | OCHILTREE FARMS 112 | Ochiltree County, TX | Oil & Gas Property | Mar 2026 |
| 91860 | OCHO | Webb County, TX | Gas Property | Mar 2026 |
| 91861 | OCHO 1 | Webb County, TX | Gas Property | Mar 2026 |
| 91862 | OCHO 20 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 91863 | OCHO JUAN UNIT | Fisher County, TX | Oil & Gas Property | Jul 2024 |
| 91864 | OCHO LD 17-3 | Adams County, CO | Oil & Gas Property | Mar 2026 |
| 91865 | OCHO MDL | Webb County, TX | Gas Property | Mar 2026 |
| 91866 | OCHOA | Hidalgo County, TX | Oil & Gas Property | Mar 2026 |
| 91867 | OCHOA 8703 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 91868 | OCHS | Russell County, KS | Oil Property | Dec 2025 |
| 91869 | OCHS | Stafford County, KS | Oil Property | Dec 2020 |
| 91870 | OCHS | Rush County, KS | Oil & Gas Property | Sep 2025 |
| 91871 | OCHS | Barton County, KS | Oil Property | Feb 2026 |
| 91872 | OCHS | Ness County, KS | Oil Property | Dec 2025 |
| 91873 | OCHS | Clarion County, PA | Gas Property | Dec 2025 |
| 91874 | OCHS | Clearfield County, PA | Gas Property | Dec 2025 |
| 91875 | OCHS INVESTMENT LTD PARTNERSHIP | Clarion County, PA | Gas Property | Dec 2025 |
| 91876 | OCHS/SBI | Armstrong County, PA | Gas Property | Dec 2025 |
| 91877 | OCHSNER | Cheyenne County, KS | Oil Property | Mar 2002 |
| 91878 | OCHSNER | Cheyenne County, KS | Gas Property | Feb 2026 |
| 91879 | OCHSNER | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 91880 | OCHSNER | Cheyenne County, KS | Gas Property | Feb 2026 |
| 91881 | OCKER D.A. & R.L | Wilson County, TX | Oil & Gas Property | Jan 2023 |
| 91882 | OCKERT | Grand Traverse County, MI | Oil & Gas Property | Apr 2026 |
| 91883 | OCKULY | Grant County, KS | Gas Property | Feb 2026 |
| 91884 | OCOMA | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 91885 | OCOMA | Weld County, CO | Oil & Gas Property | Dec 2016 |
| 91886 | OCOMA B | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 91887 | OCOMA UPRR LEASE B | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 91888 | OCONN | Stafford County, KS | Oil & Gas Property | Nov 2008 |
| 91889 | OCONN | Franklin County, KS | Oil Property | May 1999 |
| 91890 | OCONN | Refugio County, TX | Oil & Gas Property | Mar 2026 |
| 91891 | OCONN | Refugio County, TX | Oil & Gas Property | Mar 2026 |
| 91892 | OCONN | Eastland County, TX | Oil & Gas Property | Feb 2026 |
| 91893 | OCONN | Trego County, KS | Oil Property | Feb 2026 |
| 91894 | OCONN | Refugio County, TX | Oil & Gas Property | May 2019 |
| 91895 | OCONN | Morton County, KS | Gas Property | Feb 2026 |
| 91896 | OCONNEL | Blaine County, MT | Gas Property | Apr 2026 |
| 91897 | OCONNELL A | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 91898 | OCONNER 1 | Campbell County, WY | Oil & Gas Property | Sep 2019 |
| 91899 | OCONNER M. E | Refugio County, TX | Oil & Gas Property | Jan 2022 |
| 91900 | OCONNER, THO | Refugio County, TX | Oil & Gas Property | Mar 2026 |